The present invention relates to a combine harvester (1) comprising a straw chopper (2) having an inlet for unchopped straw, an outlet (21) for chopped straw in an essentially horizontal direction, and a spreader fan (8),connected downstream of the outlet (21) of the straw chopper (2) and having an essentially horizontal plane of rotation, for spreading the chopped straw over a ground surface (9). The combine harvester (1) further comprises a guide member (13), which is arranged to deflect at least a part of the stream of chopped straw material to an axial intake (20) of the spreader fan (8) such that said part of chopped straw material meets the blades (16) of the spreader fan (8) in the direction of transport of the chopped straw material through the spreader fan (8) at an acute angle (a) relative to the plane of rotation of the spreader fan (8). Said part of the stream of chopped straw material thereby contributes to the material movement through the spreader fan (8).
